Today we're going to review part number AT89018. This is the Atwood AMPlock Padlock, stainless steel with chrome plated shackles. Now this single padlock is used to secure doors, trailer couplers and any other item that might require a padlock. The inner disc on the inside here, in the tumbler, align to open the padlock. It unlocks with one of nearly a million possible key combinations. They do… see more >